Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A) Bauxite is used as a main raw material for the production of aluminium.

B) Precipitation is a pre-final stage for actual production.

C) Sodium aluminate is acquired in the next step.

D) The smelting process actually extracts aluminium as a final product from its oxide.